Biology: The Unity and Diversity of Life (MindTap Course List)
14th Edition
ISBN: 9781305073951
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 14, Problem 14SQ
Summary Introduction
Introduction: Normally females have two X chromosomes. Males have an X and a Y chromosome. These sex chromosomes determine the sex of an individual. In some cases, a male is born with an additional X chromosome that is XXY. It occurs by chance. This is known as Klinefelter syndrome and causes sterility as males have small testicles.
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Chapter 14 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 14 - Constructing a pedigree is particularly useful...Ch. 14 - Prob. 2SQCh. 14 - Prob. 3SQCh. 14 - Prob. 4SQCh. 14 - Prob. 5SQCh. 14 - A trait that is present in a male child but not in...Ch. 14 - Color blindness is a case of ______ inheritance....Ch. 14 - A female child inherits one X chromosome from her...Ch. 14 - Prob. 1DAACh. 14 - Prob. 2DAA
Ch. 14 - Prob. 3DAACh. 14 - Prob. 9SQCh. 14 - Expression of the SRY gene on the Y chromosome...Ch. 14 - Prob. 11SQCh. 14 - Prob. 12SQCh. 14 - Prob. 13SQCh. 14 - Prob. 14SQCh. 14 - Match the chromosome terms appropriately. ____...Ch. 14 - Prob. 1GPCh. 14 - Does the phenotype indicated by the red circles...Ch. 14 - Human females have two X chromosomes (XX); males...Ch. 14 - A mutated allele responsible for Marfan syndrome...Ch. 14 - The somatic cells of most individuals with Down...Ch. 14 - Mutations in the genes for clotting factor VIII...
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- which is male with small testes, enlarged breasts, The genotype XXY corresponds to and decrease in body hair. a. Turner syndrome O b. Triplo-X Oc. Klinefelter syndrome d. Jacob syndromearrow_forwardColor blindness is an x-linked recessive disorder. A woman who is a carrier for color blindness has children with a man who is color blind. Determine the probability that their child will be color blind. a. 0 % b. 25% c. 50% d. 100%arrow_forwardA trait that is present in a male child but not in either of his parents is characteristic of inheritance. a. autosomal dominant b. autosomal recessive c. X-linked recessive d. It is impossible to answer this question without more informationarrow_forward
- A disorder that only ever appears in males and is present in all male children is a(n) ________. a. Y-linked disorder b. autosomal dominant disorder c. X-linked dominant disorderarrow_forwardWhen we say that a woman is a carrier for a genetic disease or disorder it means that a. she can pass the gene only to male children b. she has 1 gene, but not the disorder c. she can pass the gene only to female children d. she has 2 genes for the disorderarrow_forwardA boy is color-blind (X-linked recessive) and has a straight hairline (autosomal recessive). Which could be the genotype of his mother? Select one: А. Вbxwxw B. Bbww C. Xbxbww D. Xbywwarrow_forward
- Identify genetic terms and basic principles of genetics as applied to blood groups, sex-linkage, and other inherited characteristics. a. Genetics b. Inheritance theory c. Sex-linked characteristics d. Linkagearrow_forwardConsanguinity is having offspring together who are blood-related. Their children have a higher risk of having a second child with an autosomal recessive condition A. Both statements are correct B. Both statements are incorrect C. Statement 1 is correct. Statement 2 is incorrect D. Statement 2 is correct. Statement 1 is incorrectarrow_forwardPlease write or type out the genotypes of each individual on the pedigree in a clear wayarrow_forward
- What is Patient A's karyotype? A. Down syndrome B. Patau syndrome C. Klinefelter syndrome D. Polycystic ovary syndromearrow_forwardWhy is there no trait (letter) on the y chromosome for males in this pedigree? A. Because the trait is X-linked (on the X chromosome) B. Because Ms. Premo made a mistake C. Because we never write anything on the y chromosomearrow_forwardPlease choose the correct answer. If a recessive mutation kills an individual during the early stages of its development, what is the possible mode of inheritance exhibited if a recessive F1 with heterozygous parents survives? a. epigenetic inheritance b. maternal inheritance c. maternal effect d. organelle inheritancearrow_forward
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